Home / 19,543.12-29,315.48-5,692.12

Finding the Fourth Proportional to 19,543.12, 29,315.48 and 5,692.12

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Solution

The fourth proportional to 19,543.12, 29,315.48 and 5,692.12 is: 8,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.12 : 29,315.48 = 5,692.12 : x
  2. Step 2: Convert to fraction form
    19,543.12/29,315.48 = 5,692.12/x
  3. Step 3: Cross multiply
    19,543.12x = 29,315.48 × 5,692.12
  4. Step 4: Simplify right side
    19,543.12x = 166,867,230.02
  5. Step 5: Solve for x
    x = 166,867,230.02/19,543.12
  6. Step 6: Final answer
    x = 8,538.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.